H8 Hg N2 Na2 O18 P6 Averbuch-Pouchot M, Durif A Acta Crystallographica C42 (1986) 932-933 Structure of diammonium disodium mercury(II) trimetaphosphate _cod_database_code 1007261 _database_code_amcsd 0015942 13.524 8.362 14.390 90 92.58 90 C2/c atom x y z occ Hg1 .1617 .1427 .4148 .3333 Hg2 0 .3545 .25 .3333 Na1 .1617 .1427 .4148 .6667 Na2 0 .3545 .25 .6667 N1 .3489 .1270 .0406 P1 .0810 .0263 .1183 P2 .4038 .1878 .3719 P3 .2720 .3734 .2539 O1 -.0036 .1446 .3604 O2 .1371 .0472 .0320 O3 .4678 .3512 .3802 O4 .3350 .1856 .4497 O5 .4728 .0528 .3610 O6 .3417 .2194 .2758 O7 .1807 .3600 .3083 O8 .2629 .3960 .1519 O9 .3416 .5186 .2944